Fix typos 4 files: consecutive occurrences of 'the' (#15789)

Automatic Merge

plugin/api.go

@@ -84,7 +84,7 @@ type API interface {
 	// Minimum server version: 5.10
 	GetBundlePath() (string, error)
 
-	// GetLicense returns the current license used by the Mattermost server. Returns nil if the
+	// GetLicense returns the current license used by the Mattermost server. Returns nil if
 	// the server does not have a license.
 	//
 	// @tag Server